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Individual Calculations July 2009 |
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| Tafforeau, Romain Total change: 13.20 | |   |
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| N4 - R7 | Various | FRA | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 1982 | 1.00 | 1 | 0.75 | 15 | 11.25 | |
|  Renaudin, Mathieu | | | 2179 | FRA | 1.00 | 1 | 0.75 | 15 | 11.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Tournoi de Paques de Brest | Brest | FRA | 2009-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1982 | 2.00 | 3 | 0.13 | 15 | 1.95 | |
| | Gueguen, Ronan | | | 1814 | FRA | 0.50 | 1 | -0.22 | 15 | -3.30 | |  Collin, Jean-Philippe | | | 1700 | FRA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Serralta, Michel | | | 2125 | FRA | 0.50 | 1 | 0.19 | 15 | 2.85 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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